Message 145607 - Python tracker

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Content 
This can also be reproduced by doing:
>>> print('\U000104a2'[0])

and then copy/pasting the lone surrogate.
The traceback is:
  [...]
  File "C:\Programs\Python32\Lib\tkinter\__init__.py", line 1009, in mainloop
    self.tk.mainloop(n)
UnicodeDecodeError: 'utf8' codec can't decode bytes in position 0-1: invalid continuation byte